Aboveground Wide Mouth Winter Skimmer Plug - 4-7/8 x 11-1/2 Inches fitting-connection_Female This is a PVC Schedule

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The starting platforms are FINA

This is a Taylor Hardness Reagent #12

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120 BTU's per hour and connects with either 1

Aboveground Wide Mouth Winter Skimmer Plug - 4-7/8 x 11-1/2 Inches fitting-connection_Female This is a PVC ScheduleThe Widemouth 4 7 8 Inch Aboveground Winter Skimmer Plug securely fits into your skimmer opening using an exclusive Rovaseal thermo insulated layer, ensuring a water tight seal. Just press the Skimmer Plug flush all the way in against your existing skimmer faceplate. No tools are required and you don't need to drain your pool! Made of ABS plastic, the durable outer plate creates a 100% air tight seal preventing freezing during the winter months. This